Quantum Physics

Authors and titles for November 2007

[201] arXiv:0711.3558 [pdf, other]

Title: Dynamics of Bloch vector in thermal Jaynes-Cummings model

Hiroo Azuma

Comments: 16 pages, 8 eps figures, latex2e; v2: a new section and references added

Journal-ref: Phys. Rev. A 77, 063820 (2008)

Subjects: Quantum Physics (quant-ph)

[202] arXiv:0711.3562 [pdf, other]

Title: EPR argument and Bell inequalities for Bose-Einstein spin condensates

Franck Laloë (LKB - Lhomond), William J. Mullin (UMASS)

Comments: a few misprints corrected, a reference added. This is the published version

Journal-ref: Physical Review A: Atomic, Molecular and Optical Physics 77 (2008) 022108

Subjects: Quantum Physics (quant-ph); Other Condensed Matter (cond-mat.other)

[203] arXiv:0711.3578 [pdf, other]

Title: A formula for the spectral projection of the time operator

Maurice Courbage (MSC), Seyed Majid Saberi Fathi (MSC)

Comments: This paper will be published in the proceeding of XXV Workshop on Geometric Methods in Physics in the Journal of Geometry and Symmetry in Physics

Subjects: Quantum Physics (quant-ph)

[204] arXiv:0711.3608 [pdf, other]

Title: Quantum Benchmark for Teleportation and Storage of Squeezed States

Gerardo Adesso, Giulio Chiribella

Comments: 4 pages, 1 figure; final published version

Journal-ref: Phys. Rev. Lett. 100, 170503 (2008)

Subjects: Quantum Physics (quant-ph)

[205] arXiv:0711.3617 [pdf, other]

Title: Geometrical Domain of Spin 1/2 Probability Mass Function

Karthik Bharath, Swarnamala Sirsi, A R Usha Devi

Comments: Submitted to Foundations of Physics

Subjects: Quantum Physics (quant-ph)

[206] arXiv:0711.3636 [pdf, other]

Title: Computing Stabilized Norms for Quantum Operations via the Theory of Completely Bounded Maps

Nathaniel Johnston, David W. Kribs, Vern I. Paulsen

Comments: 21 pages, preprint version

Subjects: Quantum Physics (quant-ph)

[207] arXiv:0711.3652 [pdf, other]

Title: Sequential Implementation of Global Quantum Operations

L. Lamata, J. Leon, D. Perez-Garcia, D. Salgado, E. Solano

Comments: 4 pages, accepted in Physical Review Letters

Journal-ref: Phys. Rev. Lett. 101, 180506 (2008)

Subjects: Quantum Physics (quant-ph)

[208] arXiv:0711.3655 [pdf, other]

Title: Coupling of plasmonic nanoparticles to their environments in the context of van der Waals-Casimir interactions

U. Håkanson, M. Agio, S. Kühn, L. Rogobete, T. Kalkbrenner, V. Sandoghdar

Comments: 9 pages, 7 figures

Journal-ref: Phys. Rev. B 77, 155408 (2008)

Subjects: Quantum Physics (quant-ph)

[209] arXiv:0711.3662 [pdf, other]

Title: Experimental Determination of Thermal Entanglement in Spin Clusters using Magnetic Susceptibility Measurements

A. M. Souza, M. S. Reis, D. O. Soares-Pinto, I. S. Oliveira, R. S. Sarthour

Comments: Submited to Phys. Rev. B

Journal-ref: PHYSICAL REVIEW B 77 104402 (2008)

Subjects: Quantum Physics (quant-ph)

[210] arXiv:0711.3714 [pdf, other]

Title: Remote controlled-NOT gate of d-dimension

Gui-Fang Dang, Heng Fan

Comments: 5 pages, 2 figures; corrected typos, added references

Subjects: Quantum Physics (quant-ph)

[211] arXiv:0711.3715 [pdf, other]

Title: Using Entanglement in Quantum Multi-Prover Interactive Proofs

Julia Kempe, Hirotada Kobayashi, Keiji Matsumoto, Thomas Vidick

Comments: 19 pages

Subjects: Quantum Physics (quant-ph)

[212] arXiv:0711.3729 [pdf, other]

Title: Schwinger Representation for the Symmetric Group: Two explicit constructions for the Carrier Space

S. Chaturvedi, G. Marmo, N. Mukunda, R. Simon

Comments: Latex, 6 pages

Journal-ref: Phys.Lett.A372:3763-3767,2008

Subjects: Quantum Physics (quant-ph)

[213] arXiv:0711.3731 [pdf, other]

Title: Effects of relative phase and interactions on atom-laser outcoupling from a double-well Bose-Einstein condensate: Markovian and non-Markovian dynamics

G. M. Nikolopoulos, C. Lazarou, P. Lambropoulos

Comments: to appear in J. Phys. B

Journal-ref: J. Phys. B: At. Mol. Opt. Phys. 41 (2008) 025301.

Subjects: Quantum Physics (quant-ph); Other Condensed Matter (cond-mat.other)

[214] arXiv:0711.3735 [pdf, other]

Title: Local entanglement of multidimensional continuous-variable systems

H.-C. Lin, A. J. Fisher

Comments: RevTex, 11 pages, 3 figures (13 files)

Journal-ref: Phys. Rev. A 78, 012349 (2008)

Subjects: Quantum Physics (quant-ph)

[215] arXiv:0711.3762 [pdf, other]

Title: Universal Behavior of Quantum Walks with Long-Range Steps

Oliver Muelken, Volker Pernice, Alexander Blumen

Comments: 4 pages, 3 figures

Journal-ref: Phys. Rev. E 77, 021117 (2008)

Subjects: Quantum Physics (quant-ph); Statistical Mechanics (cond-mat.stat-mech)

[216] arXiv:0711.3798 [pdf, other]

Title: Spin entanglement, decoherence and Bohm's EPR paradox

E. G. Cavalcanti, P. D. Drummond, H. A. Bachor, M. D. Reid

Comments: 4 pages 3 figures

Journal-ref: Optics Express, Vol. 17, Issue 21, pp. 18693-18702 (2009)

Subjects: Quantum Physics (quant-ph)

[217] arXiv:0711.3825 [pdf, other]

Title: Effects of a classical homogeneous gravitational field on the cavity-field entropy and generation of the Schrodinger-cat states in the Jaynes-Cummings model

M.Mohammadi, M.H.Naderi, M.Soltanolkotabi

Comments: 15 pages, 9figures

Subjects: Quantum Physics (quant-ph)

[218] arXiv:0711.3850 [pdf, other]

Title: Electromagnetic Field Induced Modification of Branching Ratios for Emission in Structured Vacuum

G.S.Agarwal, Sumanta Das

Comments: 7 pages, 6 figures, Submitted to New Journal of Physics

Subjects: Quantum Physics (quant-ph)

[219] arXiv:0711.3866 [pdf, other]

Title: Integrated Optical Approach to Trapped Ion Quantum Computation

Jungsang Kim, Changsoon Kim

Comments: 22 pages, 8 figures

Journal-ref: Quant. Inf. Comput. Vol 9, No 2. (2009)

Subjects: Quantum Physics (quant-ph)

[220] arXiv:0711.3882 [pdf, other]

Title: Entanglement in an SU(n) Valence-Bond-Solid State

Hosho Katsura, Takaaki Hirano, Vladimir E. Korepin

Comments: 16 pages, 2 figures; one reference added

Journal-ref: J. Phys. A:Math & Theor. 41, 135304(2008).

Subjects: Quantum Physics (quant-ph); Statistical Mechanics (cond-mat.stat-mech); Mathematical Physics (math-ph)

[221] arXiv:0711.3884 [pdf, other]

Title: Dynamics of cascade three-level system interacting with the classical and quantized field

Mihir Ranjan Nath, Surajit Sen, Gautam Gangopadhyay

Comments: 10 pages, 5 Figures

Journal-ref: Pramana-Journal of Physics Vol. 61, No. 6, 1089 (2003)

Subjects: Quantum Physics (quant-ph)

[222] arXiv:0711.3885 [pdf, other]

Title: Quantum smoothing

Masahiro Yanagisawa

Comments: 9 pages

Subjects: Quantum Physics (quant-ph)

[223] arXiv:0711.3887 [pdf, other]

Title: Spherical-separablility of non-Hermitian Dirac Hamiltonians and pseudo-PT-symmetry

Omar Mustafa

Comments: This paper has been withdrawn for its now combined with 0710.5814 to form 0801.3572

Subjects: Quantum Physics (quant-ph)

[224] arXiv:0711.3906 [pdf, other]

Title: Low energy properties of non-perturbative quantum systems: a space reduction approach

Tarek Khalil, Jean Richert

Comments: 13 pages, 3 figures, to appear in PLA

Journal-ref: Physics Letters A 372 (2008) 2217--2222

Subjects: Quantum Physics (quant-ph); Strongly Correlated Electrons (cond-mat.str-el); Nuclear Theory (nucl-th); Atomic and Molecular Clusters (physics.atm-clus)

[225] arXiv:0711.3939 [pdf, other]

Title: Proposal of a Cold-atom Realization of Quantum Maps with Hofstadter's Butterfly Spectrum

Jiao Wang, Jiangbin Gong (National Univ. of Singapore)

Comments: 5 pages, 4 figures, minor changes, to appear in Phys. Rev. A (Rapid Communication)

Journal-ref: Phys. Rev. A 77, 031405 (Rapid Communication), 2008

Subjects: Quantum Physics (quant-ph); Other Condensed Matter (cond-mat.other); Chaotic Dynamics (nlin.CD)

[226] arXiv:0711.3965 [pdf, other]

Title: Macroscopical Entangled Coherent State Generator in V configuration atom system

Ling Zhou, Han Xiong

Subjects: Quantum Physics (quant-ph)

[227] arXiv:0711.3975 [pdf, other]

Title: Unitarity plus causality implies localizability

Pablo Arrighi, Vincent Nesme, Reinhard Werner

Comments: V1: 5 pages, revtex. V2: Generalizes V1. V3: More precisions and references

Journal-ref: QIP 2010

Subjects: Quantum Physics (quant-ph)

[228] arXiv:0711.3977 [pdf, other]

Title: Hidden-variable theory versus Copenhagen quantum mechanics

Milos V. Lokajicek

Comments: 10 pages, 2 figures; v2: local refinements and improvements of the text

Subjects: Quantum Physics (quant-ph)

[229] arXiv:0711.3979 [pdf, other]

Title: Fidelity for imperfect postselection

Craig S. Hamilton, John Jeffers

Comments: 8 Pages, 8 Figures

Journal-ref: Phys. Rev. A 76, 052106 (2007)

Subjects: Quantum Physics (quant-ph)

[230] arXiv:0711.4016 [pdf, other]

Title: Quantum interference phenomena in four-wave mixing processes in a cavity driven by quantized fields

Pengbo Li

Comments: This paper has been withdrawn

Subjects: Quantum Physics (quant-ph)

[231] arXiv:0711.4021 [pdf, other]

Title: How many CNOT gates does it take to generate a three-qubit state ?

Marko Znidaric, Olivier Giraud, Bertrand Georgeot

Comments: 4 pages, no figure

Journal-ref: Phys. Rev. A 77, 032320 (2008)

Subjects: Quantum Physics (quant-ph)

[232] arXiv:0711.4032 [pdf, other]

Title: Increasing the power of the verifier in Quantum Zero Knowledge

André Chailloux, Iordanis Kerenidis

Comments: 17 pages, 0 figures, to appear in FSTTCS'08

Subjects: Quantum Physics (quant-ph)

[233] arXiv:0711.4037 [pdf, other]

Title: Nonlinear Effects in Pulse Propagation through Doppler-Broadened Closed-Loop Atomic Media

Robert Fleischhaker, Jörg Evers

Comments: 4 figures

Journal-ref: Phys. Rev. A 77, 043805 (2008)

Subjects: Quantum Physics (quant-ph)

[234] arXiv:0711.4066 [pdf, other]

Title: Quantum reflection and dwell times of metastable states

Neelima G. Kelkar

Comments: 10 pages, 2 figures

Journal-ref: Phys.Rev.Lett.99:210403,2007

Subjects: Quantum Physics (quant-ph); Nuclear Theory (nucl-th)

[235] arXiv:0711.4114 [pdf, other]

Title: Quantum weak coin flipping with arbitrarily small bias

Carlos Mochon (Perimeter Institute)

Comments: 80 pages. The main result has thus far only been checked by the author, so it may yet be destined to join the other set of illustrious bit-commitment/coin-flipping papers. For updates see this http URL

Subjects: Quantum Physics (quant-ph)

[236] arXiv:0711.4115 [pdf, other]

Title: Path integral for half-binding potentials as quantum mechanical analog for black hole partition functions

Daniel Grumiller

Comments: 6 pages, proceedings contribution to "Path integrals - New Trends and Perspectives", Dresden, September 2007

Subjects: Quantum Physics (quant-ph); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)

[237] arXiv:0711.4149 [pdf, other]

Title: Test of weak measurement on a two- or three-qubit computer

Todd A. Brun, Lajos Diosi, Walter T. Strunz

Comments: To appear in Physical Review A. Title changed. 6 pages in RevTeX format

Journal-ref: Phys. Rev. A 77, 032101 (2008)

Subjects: Quantum Physics (quant-ph)

[238] arXiv:0711.4155 [pdf, other]

Title: The Expressional Limits of Formal Languages in the Notion of Observation

Stathis Livadas

Comments: 20 pages

Subjects: Quantum Physics (quant-ph)

[239] arXiv:0711.4177 [pdf, other]

Title: Generation of polarization entanglement from spatially-correlated photons in spontaneous parametric down-conversion

Ryosuke Shimizu, Takashi Yamaguchi, Yasuyoshi Mitsumori, Hideo Kosaka, Keiichi Edamatsu

Comments: 4 pages, 4 figures

Subjects: Quantum Physics (quant-ph)

[240] arXiv:0711.4186 [pdf, other]

Title: Generating an entangled coherent state of two cavity modes in a three-level \Lambda - type atomic system

Qing-Xia Mu, Yong-Hong Ma, L. Zhou

Comments: 3 figures

Subjects: Quantum Physics (quant-ph)

[241] arXiv:0711.4212 [pdf, other]

Title: Quantum cloning a pair of orthogonally polarized photons with linear optics

Jaromir Fiurasek, Nicolas J. Cerf

Comments: 6 pages, 2 figures, RevTeX4

Journal-ref: Phys. Rev. A 77, 052308 (2008).

Subjects: Quantum Physics (quant-ph)

[242] arXiv:0711.4245 [pdf, other]

Title: Fully frustrated Josephson junction ladders with Mobius boundary conditions as topologically protected qubits

Gerardo Cristofano, Vincenzo Marotta, Adele Naddeo, Giuliano Niccoli

Comments: 21 pages, 2 figures, in print in Phys. Lett. A

Journal-ref: Phys. Lett. A 372 (2008) 2464

Subjects: Quantum Physics (quant-ph); Statistical Mechanics (cond-mat.stat-mech); High Energy Physics - Theory (hep-th)

[243] arXiv:0711.4251 [pdf, other]

Title: The role of help in Classical and Quantum Zero-Knowledge

André Chailloux, Iordanis Kerenidis

Comments: 22 pages, 0 figures, This paper will be be superseded by joint work with Dragos Florin Ciocan and Salil Vadhan and will be presented at TCC'08

Subjects: Quantum Physics (quant-ph)

[244] arXiv:0711.4258 [pdf, other]

Title: Algebraic fidelity decay for local perturbations

R. Hoehmann, U. Kuhl, H.-J. Stoeckmann

Comments: 4 pages, 5 figures

Journal-ref: PRL 100, 124101 (2008)

Subjects: Quantum Physics (quant-ph); Mesoscale and Nanoscale Physics (cond-mat.mes-hall)

[245] arXiv:0711.4259 [pdf, other]

Title: Coherent control of light field with electromagnetically induced transparency in a dark state Raman coherent tripod system

YongYao Li, HuaRong Zhang, YongZhu Chen, JianYing Zhou

Subjects: Quantum Physics (quant-ph)

[246] arXiv:0711.4271 [pdf, other]

Title: Solution of spin-boson systems in one and two-dimensional geometry via the asymptotic iteration method

R. Koc, O. Ozer, H. Tutunculer, R. G. Yildirim

Comments: 13 pages, 5 figures. Please check "this http URL for other studies of Nuclear Physics Group at University of Gaziantep

Journal-ref: Eur. Phys. J. B 59, 375-383 (2007)

Subjects: Quantum Physics (quant-ph)

[247] arXiv:0711.4280 [pdf, other]

Title: Quantum Zeno dynamics and quantum Zeno subspaces

Paolo Facchi, Giuseppe Marmo, Saverio Pascazio

Comments: 20 pages, 9 figures. Dedicated to George Sudarshan on the occasion of his 75th birthday. Review of the quantum Zeno dynamics in its three different formulations. Proposal of a novel experiment in Section 10

Journal-ref: J.Phys.Conf.Ser.196:012017,2009

Subjects: Quantum Physics (quant-ph)

[248] arXiv:0711.4282 [pdf, other]

Title: Experimentally friendly geometrical criteria for entanglement

P. Badziag, C. Brukner, W. Laskowski, T. Paterek, M. Zukowski

Comments: 4 pages, journal version

Journal-ref: Phys. Rev. Lett. 100, 140403 (2008)

Subjects: Quantum Physics (quant-ph)

[249] arXiv:0711.4286 [pdf, other]

Title: Quantum state discrimination: a geometric approach

D. Markham, J.A. Miszczak, Z. Puchala, K. Zyczkowski

Comments: 12 pages, 2 figures

Journal-ref: Phys. Rev. A 77, 042111 (2008)

Subjects: Quantum Physics (quant-ph)

[250] arXiv:0711.4298 [pdf, other]

Title: Steering quantum transitions between three crossing energy levels

S. S. Ivanov, N. V. Vitanov

Comments: 10 pages, 6 figures

Subjects: Quantum Physics (quant-ph)